body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f5f7fa;
    color: #222;
}

.sticky {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #0a2540;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    color: #fff;
    font-size: 1.2rem;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    padding: 0.3rem 0;
    transition: color 0.2s;
}

.nav-menu li a:hover::after {
    content: '';
    display: block;
    height: 3px;
    background: #00b4d8;
    width: 100%;
    position: absolute;
    left: 0;
    bottom: -3px;
    border-radius: 2px;
}

.nav-menu li a:hover {
    color: #00b4d8;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(120deg, #0a2540 60%, #00b4d8 100%);
    color: #fff;
    padding: 4rem 1rem 3rem 1rem;
    min-height: 350px;
    gap: 3rem;
}

.hero-content {
    max-width: 500px;
    text-align: left;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.btn-main {
    display: inline-block;
    margin-top: 1.5rem;
    background: #00b4d8;
    color: #fff;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(10, 37, 64, 0.07);
    transition: background 0.2s, transform 0.2s;
}

.btn-main:hover {
    background: #0090b8;
    transform: translateY(-2px) scale(1.04);
}

.hero-img img {
    max-width: 220px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.divider {
    width: 60px;
    height: 4px;
    background: #00b4d8;
    margin: 1rem auto 2rem auto;
    border-radius: 2px;
}

.servicios {
    background: #fff;
    padding: 3rem 1rem;
    text-align: center;
}

.servicios-lista {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: #f5f7fa;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(10, 37, 64, 0.07);
    padding: 2rem 1.5rem;
    max-width: 300px;
    min-width: 220px;
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 180, 216, 0.15);
    transform: translateY(-6px) scale(1.03);
}

.icon {
    font-size: 2.2rem;
    color: #00b4d8;
    margin-bottom: 0.7rem;
}

.servicio h3 {
    color: #0a2540;
    margin-bottom: 0.5rem;
}

.acerca {
    background: #eaf1fb;
    padding: 3rem 1rem;
    text-align: center;
}

.acerca-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.acerca-text {
    flex: 2;
    text-align: left;
    font-size: 1.1rem;
}

.acerca-img img {
    max-width: 180px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(10, 37, 64, 0.07);
}

.acerca h2 {
    color: #0a2540;
}

.contacto {
    background: #fff;
    padding: 3rem 1rem;
    text-align: center;
}

.contacto h2 {
    color: #0a2540;
}

.contacto form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.contacto input,
.contacto textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #cfd8dc;
    border-radius: 6px;
    font-size: 1rem;
    resize: none;
}

.contacto button {
    background: #0a2540;
    color: #fff;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.contacto button:hover {
    background: #00b4d8;
}

.contact-info {
    margin-top: 1.5rem;
    color: #0a2540;
    font-size: 1.05rem;
}

.contact-info i {
    color: #00b4d8;
    margin-right: 0.5rem;
}

footer {
    background: #0a2540;
    color: #fff;
    text-align: center;
    padding: 1.2rem 0 0.5rem 0;
    font-size: 0.95rem;
    margin-top: 2rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto 0.5rem auto;
    padding: 0 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: bold;
    font-size: 1.1rem;
}

.footer-social a {
    color: #fff;
    margin-left: 1.2rem;
    font-size: 1.3rem;
    transition: color 0.2s;
}

.footer-social a:hover {
    color: #00b4d8;
}

/* 滚动淡入动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(.4, 0, .2, 1), transform 0.8s cubic-bezier(.4, 0, .2, 1);
}

.fade-in.appear {
    opacity: 1;
    transform: none;
}

.contacto-box {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(10, 37, 64, 0.10);
    max-width: 600px;
    margin: 2rem auto 0 auto;
    padding: 2.5rem 2rem 2rem 2rem;
    text-align: center;
}

.contacto-box h3 {
    color: #0a2540;
    font-size: 1.3rem;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.contacto-info-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contacto-info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.contacto-info-title {
    font-weight: bold;
    color: #00b4d8;
    font-size: 1.08rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.2rem;
}

.contacto-info-title i {
    font-size: 1.2rem;
}

.contacto-info-content {
    color: #0a2540;
    font-size: 1.08rem;
    word-break: break-word;
}

@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .hero-content {
        text-align: center;
    }

    .acerca-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.7rem;
    }
}

@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem 0.5rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .servicios-lista {
        flex-direction: column;
        gap: 1.5rem;
    }

    .card {
        max-width: 100%;
    }

    .contacto-box {
        padding: 1.2rem 0.5rem 1.2rem 0.5rem;
    }
}